• Silver mining - Wikipedia

    Extraction of silver from lead ore was widespread in Roman Britain as a result of Roman ... Silver is commonly extracted from ore by smelting or chemical leaching.

  • Silver processing | Britannica

    ... Silver processing, preparation of the ore ... Lead ores were smelted to obtain an impure lead-silver ... and the separating of silver and gold by leaching ...

  • Bioleaching - Wikipedia

    Bioleaching is the extraction of metals from their ores through the use of living organisms. This is much cleaner than the traditional heap leaching using cyanide ...